Answered

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Class A has 13 pupils and class B has 16 pupils.
Both classes sit the same maths test.
The mean score for class A is 20.
The mean score for class B is 45.
What is the mean score (rounded to 2 DP) in the maths test across both classes?

Sagot :

Biffyboffboofidn

Answer:

ok so we can just add 20 + 45 then divide by 2

20+45=65/2=32.5

32.5

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